Re: Shared memory segments hanging around
Posted in 1997
Jacob Salomon wrote:
>
> Hi Folks.
>
> I have a problem I that calls for familiarity with certain quirks.
> OnLine DSA 7.13.UC5.
>
> Main Symptoms:
> My users used onmonitor to change the number of locks (150000-->200000).
> Onmonitor gives its usual warnings - are you sure blah blah.. But then
> all just does nothing - it seems to think it's in recovery. If I bring
> up another copy of onmonitor, it still registers OFF LINE. The
> online.log contains the following text:
>
> Thu Jul 31 13:35:35 1997
>
> 13:35:35 init_alarm(): alarmprog = '/usr/informix/onalarm.sh'
> shell = '/bin/ksh'
> 13:35:36 DR: DRAUTO is 0 (Off)
> 13:35:36 hpkaioaddseg: ASYNC_ADDSEG failed, errno = 14
> 13:35:36 kaioapi.c, line 73, thread 17, proc id 3166, kaio error.
> 13:35:37 PANIC: Attempting to bring system down
> [etc]
Could it be that you didn't wait long enough for Informix to
do a shared memory dump to a file? It would have to complete this
before releasing the shared memory. Doesn't explain the PANIC, but
perhaps this is why it was strange afterward.
-/Renegade